WM8777(2005) Просмотр технического описания (PDF) - Wolfson Microelectronics plc
Номер в каталоге
Компоненты Описание
производитель
WM8777 Datasheet PDF : 103 Pages
| |||
WM8777
Pre-Production
Test Conditions
AVDDDAC = 5V, AVDDADC=5V, DVDD = 3.3V, AGNDDAC = 0V, AGNDADC = 0, DGND = 0V, TA = +25oC, fs = 48kHz, MCLK
= 256fs, ADC/DAC in Slave Mode unless otherwise stated.
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power Supply Rejection Ratio
PSRR
1kHz 100mVpp
50
dB
20Hz to 20kHz
45
dB
100mVpp
Input Resistance (AIN1 -> AIN6)
20
kΩ
Input Capacitance
10
pF
(AIN1 -> AIN6)
ADC PGA Output to Analogue Output (L/RSUMOP, CNTSOP, LFESOP, L/RSUROP, L/RAUXSOP) (Load=10k Ω, 50pF,
gain = 0dB) Bypass Mode
0dB Full scale output voltage
1.0 x
Vrms
AVDDDAC/5
SNR (Note 1)
100
105
dB
THD
1kHz, 0dB
-93
dB
1kHz, -3dB
-95
dB
Power Supply Rejection Ratio
PSRR
1kHz 100mVpp
50
dB
20Hz to 20kHz 100mV
45
dB
Mute Attenuation
1kHz, 0dB
88
dB
Analogue Input (AIN6) to Analogue Output (FRONTL, FRONTR) (Load=10k Ω, 50pF, gain = 0dB) Bypass Mode
0dB Full scale output voltage
1.0 x
Vrms
AVDDDAC/5
SNR (Note 1)
100
105
dB
THD
1kHz, 0dB
-93
dB
1kHz, -3dB
-95
dB
Power Supply Rejection Ratio
PSRR
1kHz 100mVpp
50
dB
20Hz to 20kHz 100mV
45
dB
Mute Attenuation
1kHz, 0dB
88
dB
ADC PGA to REC Output
0dB Full scale output voltage
1.0 x
Vrms
AVDDDAC/5
SNR (Note 1)
100
104
dB
THD
1kHz, 0dB
-87
dB
1kHz, -3dB
-89
dB
Power Supply Rejection Ratio
PSRR
1kHz 100mVpp
50
dB
20Hz to 20kHz 100mV
45
dB
Mute Attenuation
1kHz, 0dB
88
dB
L/RSUMOP to REC Output
0dB Full scale output voltage
1.0 x
Vrms
AVDDDAC/5
SNR (Note 1)
97
100
dB
THD
1kHz, 0dB
-94
dB
1kHz, -3dB
-96
dB
Power Supply Rejection Ratio
PSRR
1kHz 100mVpp
50
dB
20Hz to 20kHz 100mV
45
dB
Mute Attenuation
1kHz, 0dB
88
dB
L/RAUX Input to Analogue Output (L/RSUMOP, CNTSOP, LFESOP, L/RSUROP, L/RAUXSOP) (Load=10k Ω, 50pF, gain =
0dB)
0dB Full scale output voltage
1.0 x
Vrms
AVDDDAC/5
SNR (Note 1)
103
107
dB
THD
1kHz, 0dB
-94
dB
1kHz, -3dB
-96
dB
Power Supply Rejection Ratio
PSRR
1kHz 100mVpp
50
dB
20Hz to 20kHz 100mV
45
dB
Mute Attenuation
1kHz, 0dB
88
dB
w
PP Rev 3.0 January 2004
8
Share Link: 